Help: I’m getting an 500 Internal Server Error in my browser or in the logfile of my sync-client, or a blank / white page in my browser.
Most time a:
500 Internal Server Error / blank page
error message is caused by a wrong configured webserver or a typo in a .htaccess file.
Without any additional informations it’s not possible to help you here as this errors just means “something wrong” without telling what is wrong. Having a look at your webservers logfile or the error log of php as described here:
should give you some useful informations about your problem.